webby mac change ok 256 real problems, need help

[beguiled]

Hi folks, ive only ever flashed a couple few webby's b4 so im just a noob really, anyway this friend of mine gave me 5 256's flashed with hax 39 all had went ofline, i have spent 3 days and countless hrs changing mac addresses and im not exagerating when i say at least 200, but all i get on every one on the "overview" page is
in progress
waiting
waiting
waiting
waiting
waiting
waiting
waiting
scanning
this is the same with all 5 with all mac addresses, but when it comes to the webbys i try a few times and hey presto i find a mac addy that works, am i missing something here or what, desperate for help